package com.zyx.flinkdemo.pojo;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.NonNull;

/**
 * @author zyx
 * @since 2021/6/8 23:24
 * desc: 图书类
 */
@Data
@AllArgsConstructor
@NoArgsConstructor
@NonNull
public class Book {
    private Long id;
    private String title;
    private String authors;
    private Long year;
}
